Reduced noise valve stop
Patent 5370156 Issued on December 6, 1994. Estimated Expiration Date: 
November 22, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 22, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1029726 1480608 3200838 Reed valve means Valve assembly Patent #: 5016669 InventorsApplicationNo. 155501 filed on 11/22/1993US Classes:137/856, With stop137/855Flap or reedExaminersPrimary: Rivell, JohnInternational ClassF16K 015/16AbstractThe profile of the valve stop of a discharge valve is configured such that the portion facing the free length of the valve member has an increasing radius portion and a decreasing radius portion. | |
